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MAX8831

Part Number	MAX8831
Manufacturer	Maxim Integrated Products
Description	High Efficiency White LED Step-Up Converter
Published	Jun 26, 2009
Detailed Description	19-4370; Rev 0; 11/08 www.DataSheet4U.com EVALUATION KIT AVAILABLE High-Efficiency, White LED Step-Up Converter with ...
Datasheet	MAX8831 PDF File

Overview

19-4370; Rev 0; 11/08 www.
DataSheet4U.
com EVALUATION KIT AVAILABLE High-Efficiency, White LED Step-Up Converter with I2C Interface in 2mm x 2mm WLP General Description The MAX8831 integrates a 60mA, 28V PWM DC-DC step-up converter with five low-dropout LED current regulators for display and keypad backlighting in cell phones, PDAs, and other portable devices.
The IC provides up to 90% efficiency over the entire input voltage range of 2.
7V to 5.
5V.
The step-up converter operates at a fixed 2MHz switching frequency, enabling the use of very small external components to achieve a compact circuit area.
For improved efficiency, the step-up converter automatically transitions to pulse-skipping ...

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